Line data    Source code

       1             : // Copyright (C) 2014 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.project;
      16             : 
      17             : import com.google.gerrit.entities.Patch;
      18             : import com.google.gerrit.extensions.common.FileInfo;
      19             : import com.google.gerrit.extensions.registration.DynamicMap;
      20             : import com.google.gerrit.extensions.restapi.ChildCollection;
      21             : import com.google.gerrit.extensions.restapi.IdString;
      22             : import com.google.gerrit.extensions.restapi.ResourceConflictException;
      23             : import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
      24             : import com.google.gerrit.extensions.restapi.Response;
      25             : import com.google.gerrit.extensions.restapi.RestReadView;
      26             : import com.google.gerrit.extensions.restapi.RestView;
      27             : import com.google.gerrit.server.change.FileInfoJson;
      28             : import com.google.gerrit.server.git.GitRepositoryManager;
      29             : import com.google.gerrit.server.patch.PatchListNotAvailableException;
      30             : import com.google.gerrit.server.project.CommitResource;
      31             : import com.google.gerrit.server.project.FileResource;
      32             : import com.google.inject.Inject;
      33             : import com.google.inject.Provider;
      34             : import com.google.inject.Singleton;
      35             : import java.io.IOException;
      36             : import java.util.Map;
      37             : import org.eclipse.jgit.revwalk.RevCommit;
      38             : import org.kohsuke.args4j.Option;
      39             : 
      40             : /**
      41             :  * like {@link FilesCollection}, but for commits that are specified as hex ID, rather than branch
      42             :  * names.
      43             :  */
      44             : @Singleton
      45             : public class FilesInCommitCollection implements ChildCollection<CommitResource, FileResource> {
      46             :   private final DynamicMap<RestView<FileResource>> views;
      47             :   private final Provider<ListFiles> list;
      48             :   private final GitRepositoryManager repoManager;
      49             : 
      50             :   @Inject
      51             :   FilesInCommitCollection(
      52             :       DynamicMap<RestView<FileResource>> views,
      53             :       Provider<ListFiles> list,
      54         138 :       GitRepositoryManager repoManager) {
      55         138 :     this.views = views;
      56         138 :     this.list = list;
      57         138 :     this.repoManager = repoManager;
      58         138 :   }
      59             : 
      60             :   @Override
      61             :   public RestView<CommitResource> list() throws ResourceNotFoundException {
      62           2 :     return list.get();
      63             :   }
      64             : 
      65             :   @Override
      66             :   public FileResource parse(CommitResource parent, IdString id)
      67             :       throws ResourceNotFoundException, IOException {
      68           1 :     if (Patch.isMagic(id.get())) {
      69           0 :       return new FileResource(parent.getProjectState(), parent.getCommit(), id.get());
      70             :     }
      71           1 :     return FileResource.create(repoManager, parent.getProjectState(), parent.getCommit(), id.get());
      72             :   }
      73             : 
      74             :   @Override
      75             :   public DynamicMap<RestView<FileResource>> views() {
      76           1 :     return views;
      77             :   }
      78             : 
      79             :   public static final class ListFiles implements RestReadView<CommitResource> {
      80             :     /**
      81             :      * The 1-based parent number. If zero, the default base commit will be used, which is the only
      82             :      * parent for commits having one parent or the auto-merge commit otherwise.
      83             :      */
      84             :     @Option(name = "--parent", metaVar = "parent-number")
      85             :     int parentNum;
      86             : 
      87             :     private final FileInfoJson fileInfoJson;
      88             : 
      89             :     @Inject
      90           5 :     public ListFiles(FileInfoJson fileInfoJson) {
      91           5 :       this.fileInfoJson = fileInfoJson;
      92           5 :     }
      93             : 
      94             :     public ListFiles setParent(int parentNum) {
      95           1 :       this.parentNum = parentNum;
      96           1 :       return this;
      97             :     }
      98             : 
      99             :     @Override
     100             :     public Response<Map<String, FileInfo>> apply(CommitResource resource)
     101             :         throws ResourceConflictException, PatchListNotAvailableException {
     102           3 :       RevCommit commit = resource.getCommit();
     103           3 :       return Response.ok(
     104           3 :           fileInfoJson.getFileInfoMap(resource.getProjectState().getNameKey(), commit, parentNum));
     105             :     }
     106             :   }
     107             : }